/* tolower.c - character classification and conversion macros *//* Copyright 1992-1993 Wind River Systems, Inc. *//*modification history--------------------01f,03mar93,jdi  more documentation cleanup for 5.1.01e,07feb93,jdi  documentation cleanup for 5.1.01d,13oct92,jdi  mangen fixes.01c,20sep92,smb  documentation additions01b,04jul92,smb  added vxWorks.h and extra documentation01a,24mar92,smb  written*//*DESCRIPTIONINCLUDE FILE: ctype.hSEE ALSO: American National Standard X3.159-1989NOMANUAL*/#include "vxWorks.h"#include "ctype.h"#undef tolower/********************************************************************************* tolower - convert an upper-case letter to its lower-case equivalent (ANSI)** This routine converts an upper-case letter to the corresponding lower-case* letter.** INCLUDE FILES: ctype.h** RETURNS:* If <c> is an upper-case letter, it returns the lower-case equivalent;* otherwise, it returns the argument unchanged.*/int tolower     (    int c       /* character to convert */    )    {    return __tolower(c);    }